import java.util.Scanner;

public class Test4 {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNextInt()) { // 注意 while 处理多个 case
            int line=in.nextInt();  //输入行数

            for (int i = 1; i <= line; i++) {
                for (int j = 1; j <= line; j++) {
                    if(i==j)
                        System.out.print("*");
                    else if(i+j==line+1)
                        System.out.print("*");
                    else
                        System.out.print(" ");
                }
                System.out.println();
            }
        }
    }
}
